Air Quality in Capitol Hill, United States

Windy
14.0°C · 65.1% humidity
14.0°
Feels 14.0°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
25 11pm
25
25
15 2am
18
20
21 5am
22
25
26 8am
26
26
27 11am
34
27
27 2pm
27
27
27 5pm
27
27
27 8pm
34
54
AD 728×90

Air Quality Index Trend

47h · 2 stn

Capitol Hill's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

65.1%
Humidity
51.9 km/h
Wind WNW
1004.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.63 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Capitol Hill?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.53.63 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
3.63
Median
4.35
Average
3.38
Low
7.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.4

What is the 7-day forecast for Capitol Hill?

06-09
31.5° 14.0°
0.25 mm
06-10
33.2° 23.7°
4.25 mm
06-11
25.5° 15.2°
06-12
28.7° 17.7°
2.12 mm
06-13
29.5° 22.1°
1.0 mm
06-14
25.3° 19.9°
3.13 mm
06-15
25.2° 14.6°
0.69 mm
Both models agree Avg diff: 6.1°C

Where are air quality stations near Capitol Hill?

49
Aurora Hills Visitor Center, Northern Virginia, USA
6.2 km PM2.5: 11.8 µg/m³
37
Lee District Park - Fairfax County, Northern Virginia, USA
15.7 km PM2.5: 8.9 µg/m³
14
NASA GSFC 1
18.0 km PM2.5: 3.4 µg/m³
21
HU-Beltsville, Maryland, USA
21.3 km PM2.5: 5.0 µg/m³

What cities are near Capitol Hill?

15 Capitol Riverfront 15 H Street NE 15 NoMa 15 Downtown DC 15 Southwest Waterfront 15 Northwest One 15 Mount Vernon Triangle 15 Shaw 15 Washington 15 Golden Triangle
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T06:38 UTC.